Top Gear presenter Jeremy Clarkson’s time at the BBC is up after it was announced his contract at the broadcaster will not be renewed. Director-general Tony Hall said the decision had been taken with “great regret” but that Clarkson’s attack on show producer Oisin Tymon meant “a line has been crossed”. He said: “It is not a decision I have taken lightly.” Clarkson has been suspended from the hit motoring show for more than two weeks since he was involved in what the BBC called a “fracas” with Tymon.